/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jclouds.cloudwatch.domain;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.annotations.Beta;
import com.google.common.base.CaseFormat;

/**
 * @see <a href="http://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_AlarmHistoryItem.html" />
 */
@Beta
public enum HistoryItemType {

   CONFIGURATION_UPDATE,
   STATE_UPDATE,
   ACTION,
   UNRECOGNIZED;

   public String value() {
      return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, name());
   }

   @Override
   public String toString() {
      return value();
   }

   public static HistoryItemType fromValue(String value) {
      try {
         return valueOf(CaseFormat.UPPER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, checkNotNull(value, "value")));
      } catch (IllegalArgumentException e) {
         return UNRECOGNIZED;
      }
   }

}
